$(function(){

	showtime();
})    

function showtime()   
    {   
	
    var today;  
    var hour;  
    var second;  
    var minute;  
    var year;  
    var month;  
    var date;  
    var strDate;   
    today=new Date();   
    var n_day = today.getDay();   
    switch (n_day)   
    {   
    case 0:{   
    strDate = "星期日"   
    }break;   
    case 1:{   
    strDate = "星期一"   
    }break;   
    case 2:{   
    strDate ="星期二"   
    }break;   
    case 3:{   
    strDate = "星期三"   
    }break;   
    case 4:{   
    strDate = "星期四"   
    }break;   
    case 5:{   
    strDate = "星期五"   
    }break;   
    case 6:{   
    strDate = "星期六"   
    }break;   
    case 7:{   
    strDate = "星期日"   
    }break;   
    }   
    year = today.getFullYear();   
    month = today.getMonth()+1;   
    date = today.getDate();   
    hour = today.getHours();   
    minute =today.getMinutes();   
    second = today.getSeconds();   
    if(month<10) month="0"+month;   
    if(date<10) date="0"+date;   
    if(hour<10) hour="0"+hour;   
    if(minute<10) minute="0"+minute;   
    if(second<10) second="0"+second;   
    document.getElementById('clock').innerHTML = year + "年" + month + "月" + date + "日 " + strDate +" " + hour + ":" + minute + ":" + second;   
    setTimeout("showtime();", 1000);   
    }  